msm: mpq8064: Adding debugfs support to VCAP

In order to assist in debugging various VCAP issue it would be
useful to have debugfs. This patch is about making everything to
debug VCAP, from message to getting important data, available
within debugfs.

Change-Id: Ic9373036af6a5eb795da2d89d6f26fcd404264af
Signed-off-by: Terence Hampson <thampson@codeaurora.org>